Dr. Laura Schmidt is a sociologist with Masters degrees in public health and social welfare. She is currently Principal Investigator for the Welfare Client Longitudinal Study funded through the National Institutes of Health and the Robert Wood Johnson Foundation Study. Implementing Welfare Reform, and collaborates on other studies examining access to care, managed care and stigma in health care organizations. Dr. Schmidt has an extensive publications record in health services research focusing on organizational responses to substance abuse problems, access and utilization. She has consulted for the World Health Organization on studies of the social determinants of health and the cross-cultural applicability of diagnostic concepts related to addiction. She is also the author of the forthcoming book, The Corporate Transformation of American Medicine: Building the Health Care Market, under contract with Princeton University Press.